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20130216
20130216
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-- not to be confused with this meteor. today, the asteroid was streaming toward earth. as predicted, it missed us this afternoon by about 17,000 miles. but that was still pretty close. tonight, we wanted to bring in amy meinzer an astrophysicist. she joins us from the jet propulsion laboratory in california. amy, thanks for being here. when we saw the images out of russia today, we all wondered, would this happen here? >> it's possible an event like this could happen again. this was the largest fireball we have seen in a long time, since about 1908. there could be others that happen that we just don't see, because they happen over the ocean, or over some place that's not populated. >> this image caught our eyes as well. all of those dots are space debris. this is the earth here. 21,000 pieces orbiting the earth. that's a lot of stuff not too far away. >> that's right. there is a lot of space junk out there. we're working hard to track it. keep showing where it's going to go, what's going to happen to it. in most cases, the bits of space debris will fall down. they'll be burned up in the earth's a
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